I received his short message 【saying】that he would come here tomorrow
翻译：我收到他的短信上面说他明天来这.
解析：此处不能使用动词形式,前面已经有谓语received做谓语,所以此处使用非谓语动词形式.因为 message与say之间主动关系,所以saying.
如有疑问,请追问.
无疑后请采纳.
书山有路勤为径,学海无涯苦作舟.
-----------与君共勉-----------